Lawmakers in Northwest eye new vaccine proposals after bill defeats

March 13, 2015 2:02 AM

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PORTLAND, Ore./SEATTLE (Reuters) - Lawmakers in U.S. Northwest states said on Thursday they would revive efforts to make it harder for parents to legally opt out of vaccinations for their children, after legislative proposals in the wake of a measles outbreak stalled this week.

All U.S. states require certain vaccines for students for diseases such as mumps, rubella, tetanus or polio, but school immunization laws grant exemptions to children for medical reasons, including an inhibited immune system.